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 易尊强
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import { isArray, isNumber, map } from '../core/util.js';
export function normalizeLineDash(lineType, lineWidth) {
if (!lineType || lineType === 'solid' || !(lineWidth > 0)) {
return null;
}
return lineType === 'dashed'
? [4 * lineWidth, 2 * lineWidth]
: lineType === 'dotted'
? [lineWidth]
: isNumber(lineType)
? [lineType] : isArray(lineType) ? lineType : null;
}
export function getLineDash(el) {
var style = el.style;
var lineDash = style.lineDash && style.lineWidth > 0 && normalizeLineDash(style.lineDash, style.lineWidth);
var lineDashOffset = style.lineDashOffset;
if (lineDash) {
var lineScale_1 = (style.strokeNoScale && el.getLineScale) ? el.getLineScale() : 1;
if (lineScale_1 && lineScale_1 !== 1) {
lineDash = map(lineDash, function (rawVal) {
return rawVal / lineScale_1;
});
lineDashOffset /= lineScale_1;
}
}
return [lineDash, lineDashOffset];
}
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